Gledon, Megafauna Animist

+1: Search your library for a creature card with power 5 or greater, reveal it, put it into your hand, then shuffle your library.
-1: Target creature you control fights target creature you don't control. If the creature you control dies this turn, gain life equal to its power.
-8: You get an emblem with “Whenever you gain life, search your library for a creature card, put it onto the battlefield, then shuffle your library.”